phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '0aacda64f673dc55bb8d8156c4394053' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('0aacda64f673dc55bb8d8156c4394053', -1, 1789163841, 1789163841, 'd849d927', -2, 0, 0)

Line : 187
File : sessions.php